body{
  background: #F1EDEE;
}
.g-main{
  height: 501px;
  width: 978px;
  position: absolute;
  top: 40%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
  background: url("/assets/img/404.png");
}
.return{
  position: absolute;
  top: 75%;
  left: 55%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 10px 12px;
  background: #72BEAE;
  border-radius: 4px;
  color: #ffffff;
  border: 1px solid #63968A;
}
